Plants annual, caulescent, erect or spreading, 5-30 cm, glabrous to sparsely pubescent. Leaves basal and cauline; blade with ultimate lobes generally obtuse. Inflorescences cymose or 1-flowered; buds erect or nodding. Flowers: receptacle turbinate, distally translucent and somewhat swollen, more than 1.5 mm broad, cup without spreading free rim; calyx acute, glabrous or pubescent; petals orange or deep yellow, 15-40 mm. Capsules 3-7 cm. Seeds brown, 1.3-1.8 mm, reticulate. 2 n = 12.